diff --git a/src/third_party/asn1/AnonymousLogin.c b/src/third_party/asn1/AnonymousLogin.c
index 7309c58b..5b77a51b 100644
--- a/src/third_party/asn1/AnonymousLogin.c
+++ b/src/third_party/asn1/AnonymousLogin.c
@@ -8,12 +8,44 @@
 
 #include "AnonymousLogin.h"
 
+static int
+memb_playerName_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const UTF8String_t *st = (const UTF8String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = UTF8String_length(st);
+	if((ssize_t)size < 0) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: UTF-8: broken encoding (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if((size >= 1 && size <= 64)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
 static asn_TYPE_member_t asn_MBR_AnonymousLogin_1[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct AnonymousLogin, playerName),
 		(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)),
 		0,
 		&asn_DEF_UTF8String,
-		0,	/* Defer constraints checking to the member type */
+		memb_playerName_constraint_1,
 		0,	/* PER is not compiled, use -gen-PER */
 		0,
 		"playerName"
diff --git a/src/third_party/asn1/AuthenticatedLogin.c b/src/third_party/asn1/AuthenticatedLogin.c
index 38e9ce5f..793b3a43 100644
--- a/src/third_party/asn1/AuthenticatedLogin.c
+++ b/src/third_party/asn1/AuthenticatedLogin.c
@@ -8,12 +8,44 @@
 
 #include "AuthenticatedLogin.h"
 
+static int
+memb_playerName_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const UTF8String_t *st = (const UTF8String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = UTF8String_length(st);
+	if((ssize_t)size < 0) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: UTF-8: broken encoding (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if((size >= 1 && size <= 64)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
 static asn_TYPE_member_t asn_MBR_AuthenticatedLogin_1[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct AuthenticatedLogin, playerName),
 		(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)),
 		0,
 		&asn_DEF_UTF8String,
-		0,	/* Defer constraints checking to the member type */
+		memb_playerName_constraint_1,
 		0,	/* PER is not compiled, use -gen-PER */
 		0,
 		"playerName"
diff --git a/src/third_party/asn1/ChatMessage.c b/src/third_party/asn1/ChatMessage.c
index da421be5..f45ad3a4 100644
--- a/src/third_party/asn1/ChatMessage.c
+++ b/src/third_party/asn1/ChatMessage.c
@@ -8,6 +8,38 @@
 
 #include "ChatMessage.h"
 
+static int
+memb_chatText_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const UTF8String_t *st = (const UTF8String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = UTF8String_length(st);
+	if((ssize_t)size < 0) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: UTF-8: broken encoding (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if((size >= 1 && size <= 128)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
 static asn_TYPE_member_t asn_MBR_ChatMessage_1[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct ChatMessage, playerId),
 		(ASN_TAG_CLASS_UNIVERSAL | (2 << 2)),
@@ -31,7 +63,7 @@ static asn_TYPE_member_t asn_MBR_ChatMessage_1[] = {
 		(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)),
 		0,
 		&asn_DEF_UTF8String,
-		0,	/* Defer constraints checking to the member type */
+		memb_chatText_constraint_1,
 		0,	/* PER is not compiled, use -gen-PER */
 		0,
 		"chatText"
diff --git a/src/third_party/asn1/ChatRequestMessage.c b/src/third_party/asn1/ChatRequestMessage.c
index 9cfd3822..7bf55793 100644
--- a/src/third_party/asn1/ChatRequestMessage.c
+++ b/src/third_party/asn1/ChatRequestMessage.c
@@ -8,6 +8,38 @@
 
 #include "ChatRequestMessage.h"
 
+static int
+memb_chatText_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const UTF8String_t *st = (const UTF8String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = UTF8String_length(st);
+	if((ssize_t)size < 0) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: UTF-8: broken encoding (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if((size >= 1 && size <= 128)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
 static asn_TYPE_member_t asn_MBR_ChatRequestMessage_1[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct ChatRequestMessage, gameId),
 		(ASN_TAG_CLASS_UNIVERSAL | (2 << 2)),
@@ -22,7 +54,7 @@ static asn_TYPE_member_t asn_MBR_ChatRequestMessage_1[] = {
 		(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)),
 		0,
 		&asn_DEF_UTF8String,
-		0,	/* Defer constraints checking to the member type */
+		memb_chatText_constraint_1,
 		0,	/* PER is not compiled, use -gen-PER */
 		0,
 		"chatText"
diff --git a/src/third_party/asn1/DialogMessage.c b/src/third_party/asn1/DialogMessage.c
index 0c943ee6..ac3da675 100644
--- a/src/third_party/asn1/DialogMessage.c
+++ b/src/third_party/asn1/DialogMessage.c
@@ -8,12 +8,44 @@
 
 #include "DialogMessage.h"
 
+static int
+memb_notificationText_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const UTF8String_t *st = (const UTF8String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = UTF8String_length(st);
+	if((ssize_t)size < 0) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: UTF-8: broken encoding (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if((size >= 1 && size <= 128)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
 static asn_TYPE_member_t asn_MBR_DialogMessage_1[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct DialogMessage, notificationText),
 		(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)),
 		0,
 		&asn_DEF_UTF8String,
-		0,	/* Defer constraints checking to the member type */
+		memb_notificationText_constraint_1,
 		0,	/* PER is not compiled, use -gen-PER */
 		0,
 		"notificationText"
diff --git a/src/third_party/asn1/JoinGameRequestMessage.c b/src/third_party/asn1/JoinGameRequestMessage.c
index cbc5cd3f..707979e3 100644
--- a/src/third_party/asn1/JoinGameRequestMessage.c
+++ b/src/third_party/asn1/JoinGameRequestMessage.c
@@ -8,6 +8,38 @@
 
 #include "JoinGameRequestMessage.h"
 
+static int
+memb_password_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const UTF8String_t *st = (const UTF8String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = UTF8String_length(st);
+	if((ssize_t)size < 0) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: UTF-8: broken encoding (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if((size >= 1 && size <= 64)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
 static asn_TYPE_member_t asn_MBR_joinGameAction_2[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct joinGameAction, choice.joinExistingGame),
 		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
@@ -79,7 +111,7 @@ static asn_TYPE_member_t asn_MBR_JoinGameRequestMessage_1[] = {
 		(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)),
 		0,
 		&asn_DEF_UTF8String,
-		0,	/* Defer constraints checking to the member type */
+		memb_password_constraint_1,
 		0,	/* PER is not compiled, use -gen-PER */
 		0,
 		"password"
diff --git a/src/third_party/asn1/NetGameInfo.c b/src/third_party/asn1/NetGameInfo.c
index 00bddaef..b50f9823 100644
--- a/src/third_party/asn1/NetGameInfo.c
+++ b/src/third_party/asn1/NetGameInfo.c
@@ -156,6 +156,38 @@ memb_NativeInteger_constraint_17(asn_TYPE_descriptor_t *td, const void *sptr,
 	}
 }
 
+static int
+memb_gameName_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const UTF8String_t *st = (const UTF8String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = UTF8String_length(st);
+	if((ssize_t)size < 0) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: UTF-8: broken encoding (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if((size >= 1 && size <= 64)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
 static int
 memb_maxNumPlayers_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
 			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
@@ -484,7 +516,7 @@ static asn_TYPE_member_t asn_MBR_NetGameInfo_1[] = {
 		(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)),
 		0,
 		&asn_DEF_UTF8String,
-		0,	/* Defer constraints checking to the member type */
+		memb_gameName_constraint_1,
 		0,	/* PER is not compiled, use -gen-PER */
 		0,
 		"gameName"
diff --git a/src/third_party/asn1/PlayerInfoData.c b/src/third_party/asn1/PlayerInfoData.c
index b61431a9..5b536358 100644
--- a/src/third_party/asn1/PlayerInfoData.c
+++ b/src/third_party/asn1/PlayerInfoData.c
@@ -8,6 +8,38 @@
 
 #include "PlayerInfoData.h"
 
+static int
+memb_playerName_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const UTF8String_t *st = (const UTF8String_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	size = UTF8String_length(st);
+	if((ssize_t)size < 0) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: UTF-8: broken encoding (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if((size >= 1 && size <= 64)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
 static asn_TYPE_member_t asn_MBR_avatarData_4[] = {
 	{ ATF_NOFLAGS, 0, offsetof(struct avatarData, avatarType),
 		(ASN_TAG_CLASS_UNIVERSAL | (10 << 2)),
@@ -74,7 +106,7 @@ static asn_TYPE_member_t asn_MBR_PlayerInfoData_1[] = {
 		(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)),
 		0,
 		&asn_DEF_UTF8String,
-		0,	/* Defer constraints checking to the member type */
+		memb_playerName_constraint_1,
 		0,	/* PER is not compiled, use -gen-PER */
 		0,
 		"playerName"